IDEC SmartAXIS FT9Z-1A01 User Manual page 222

8: I / F
N STR UCTI ON S UN CTI ON
Logical Operation FB
This section describes the logical operation FB of the SmartAXIS and its functions. The logical operation FB performs logical
operations on input signals and output the result.
Symbol Name and Diagram
Logical AND
IN1
AND
IN2
IN3
IN4
Negative Logical AND
IN1
NAND
IN2
IN3
IN4
Logical OR
IN1
OR
IN2
IN3
IN4
Negative Logical OR
IN1
NOR
IN2
IN3
IN4
Exclusive Logical OR
IN1
XOR
IN2
Negative Exclusive Logical OR
IN1
XNOR
IN2
Negation
IN
NOT
Shot up
IN
SOTU
Shot down
IN
SOTD
Truth Table
IN1
TRUTH
IN2
IN3
IN4
8-10
B R
LOCK S EFER EN CE
Finds logical AND for a maximum of four input
&
OUT
signals (ON/OFF) and outputs the result.
Finds negative logical AND for a maximum of four
&
OUT
input signals (ON/OFF) and outputs the result.
Finds logical OR for a maximum of four input signals
≥1
OUT
(ON/OFF) and outputs the result.
Finds negative logical OR for a maximum of four
≥1
OUT
input signals (ON/OFF) and outputs the result.
Finds negative logical OR for a maximum of four
=1
OUT
input signals (ON/OFF) and outputs the result.
Finds negative exclusive logical OR for a maximum of
=1
OUT
two input signals (ON/OFF) and outputs the result.
Outputs the result of negating the input signal (ON/
1
OUT
OFF).
Turns on the output for one scan when the input
SOTU
OUT
signal changes from off to on.
Turns on the output for one scan when the input
SOTD
OUT
signal changes from on to off.
The output against 16 bit patterns of the four input
TRUTH
OUT
signals can be configured as a truth table, and the
output turns on or off according to those settings.
S A XI S P
M AR T R O
Function
/ L U ' M FT9Y-B 1378
I TE SER S ANUAL
Output FBD manual
inversion page
– 7-1
– 7-2
– 7-3
– 7-4
– 7-5
– 7-6
– 7-7
– 7-8
– 7-9
X 7-10